A348008 - cp's OEIS frontend

A348008 Number of n-step self-avoiding walks on the upper two quadrants of a 2D square lattice where the walk cannot step to the smaller square ring of numbers than the ring it is currently on.

n	a(n)
0	1
1	3
2	7
3	19
4	45
5	115
6	273
7	683
8	1629
9	4035
10	9643
11	23713
12	56761
13	138883
14	332807
15	811343
16	1945777
17	4730655
18	11351999
19	27542291
20	66123953
21	160174529
22	384700337
23	930720767
24	2236106651
25	5404679299
26	12988762401
27	31370201873
28	75409375419
29	182019777165
30	437648513199

[1, 3, 7, 19, 45, 115, 273, 683, 1629, 4035, 9643, 23713, 56761, 138883, 332807, 811343, 1945777, 4730655, 11351999, 27542291, 66123953, 160174529, 384700337, 930720767, 2236106651, 5404679299, 12988762401, 31370201873, 75409375419, 182019777165, 437648513199]

cp's OEIS Frontend

A348008 Number of n-step self-avoiding walks on the upper two quadrants of a 2D square lattice where the walk cannot step to the smaller square ring of numbers than the ring it is currently on.

Table of values

List of values